Home / 84,238.84-126,329.10-46,855.72

Finding the Fourth Proportional to 84,238.84, 126,329.10 and 46,855.72

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Solution

The fourth proportional to 84,238.84, 126,329.10 and 46,855.72 is: 70,267.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,238.84 : 126,329.10 = 46,855.72 : x
  2. Step 2: Convert to fraction form
    84,238.84/126,329.10 = 46,855.72/x
  3. Step 3: Cross multiply
    84,238.84x = 126,329.10 × 46,855.72
  4. Step 4: Simplify right side
    84,238.84x = 5,919,240,937.45
  5. Step 5: Solve for x
    x = 5,919,240,937.45/84,238.84
  6. Step 6: Final answer
    x = 70,267.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.